<template>
  <a-upload
    name="file"
    :multiple="true"
    :action="uploadAction"
    :headers="headers"
    :data="{'biz':bizPath}"
    :fileList="fileList"
    :beforeUpload="beforeUpload"
    @change="handleChange"
    :disabled="disabled"
    :returnUrl="returnUrl">
    <a-button @click="msg">
      <a-icon type="upload"/>
      {{ text }}
    </a-button>
  </a-upload>
</template>

<script>

  import Vue from 'vue'
  import {ACCESS_TOKEN} from "@/store/mutation-types"
  import {getFileAccessHttpUrl} from '@/api/manage';
  import {getAction} from '@/api/manage'

  const FILE_TYPE_ALL = "all"
  const FILE_TYPE_IMG = "image"
  const FILE_TYPE_TXT = "file"
  const uidGenerator = () => {
    return '-' + parseInt(Math.random() * 10000 + 1, 10);
  }
  const getFileName = (path) => {
    if (path.lastIndexOf("\\") >= 0) {
      let reg = new RegExp("\\\\", "g");
      path = path.replace(reg, "/");
    }
    return path.substring(path.lastIndexOf("/") + 1);
  }
  export default {
    name: 'JUpload',
    data() {
      return {
        uploadAction: window._CONFIG['domianURL'] + "/sys/common/upload",
        urlDownload: window._CONFIG['staticDomainURL'],
        headers: {},
        fileList: [],
        newFileList: [],
        url: {
          poiHeader: "/doc/doc/poiHeader",
        }
      }
    },
    props: {
      text: {
        type: String,
        required: false,
        default: "点击上传"
      },
      fileType: {
        type: String,
        required: false,
        default: FILE_TYPE_ALL
      },
      /*这个属性用于控制文件上传的业务路径*/
      bizPath: {
        type: String,
        required: false,
        default: "temp"
      },
      value: {
        type: [String, Array],
        required: false
      },
      // update-begin- --- author:wangshuai ------ date:20190929 ---- for:Jupload组件增加是否能够点击
      disabled: {
        type: Boolean,
        required: false,
        default: false
      },
      // update-end- --- author:wangshuai ------ date:20190929 ---- for:Jupload组件增加是否能够点击
      //此属性被废弃了
      triggerChange: {
        type: Boolean,
        required: false,
        default: false
      },
      /**
       * update -- author:lvdandan -- date:20190219 -- for:Jupload组件增加是否返回url，
       * true：仅返回url
       * false：返回fileName filePath fileSize
       */
      returnUrl: {
        type: Boolean,
        required: false,
        default: true
      },
    },
    watch: {
      value(val) {
        if (val instanceof Array) {
          if (this.returnUrl) {
            this.initFileList(val.join(','))
          } else {
            this.initFileListArr(val);
          }
        } else {
          this.initFileList(val)
        }
      },
    },
    created() {
      const token = Vue.ls.get(ACCESS_TOKEN);
      this.headers = {"X-Access-Token": token}
    },

    methods: {
      msg() {
        if (this.fileList != 1 && this.fileList != 0) {
          this.$message.warning("只能上传一个文件")
        }
      },
      msg1() {
          this.$message.warning("该文档无页眉，请手动输入！")
      },
      changeDisable() {
        this.disabled = false
      },
      initFileListArr(val) {
        if (!val || val.length == 0) {
          this.fileList = [];
          return;
        }
        let fileList = [];
        for (var a = 0; a < val.length; a++) {
          fileList.push({
            uid: uidGenerator(),
            name: val[a].fileName,
            status: 'done',
            url: val[a].filePath,
            response: {
              status: "history",
              message: val[a].filePath
            }
          })
        }
        this.fileList = fileList
      },
      initFileList(paths) {
        if (!paths || paths.length == 0) {
          //return [];
          // update-begin- --- author:os_chengtgen ------ date:20190729 ---- for:issues:326,Jupload组件初始化bug
          this.fileList = [];
          return;
          // update-end- --- author:os_chengtgen ------ date:20190729 ---- for:issues:326,Jupload组件初始化bug
        }
        let fileList = [];
        let arr = paths.split(",")
        for (var a = 0; a < arr.length; a++) {
          let url = getFileAccessHttpUrl(arr[a], this.urlDownload, "http");
          fileList.push({
            uid: uidGenerator(),
            name: getFileName(arr[a]),
            status: 'done',
            url: url,
            response: {
              status: "history",
              message: arr[a]
            }
          })
        }
        this.fileList = fileList
      },
      handlePathChange() {
        let uploadFiles = this.fileList
        let path = ''
        if (!uploadFiles || uploadFiles.length == 0) {
          path = ''
        }
        let arr = [];

        for (var a = 0; a < uploadFiles.length; a++) {
          arr.push(uploadFiles[a].response.message)
        }
        if (arr.length > 0) {
          path = arr.join(",")
        }
        this.$emit('change', path);
      },
      beforeUpload(file) {
        var fileType = file.type;
        if (fileType === FILE_TYPE_IMG) {
          if (fileType.indexOf('image') < 0) {
            this.$message.warning('请上传图片');
            return false;
          }
        } else if (fileType === FILE_TYPE_TXT) {
          if (fileType.indexOf('image') >= 0) {
            this.$message.warning('请上传文件');
            return false;
          }
        }
        //TODO 扩展功能验证文件大小
        return true
      },
      handleChange(info) {
        let fileList = info.fileList
        let fileName = info.fileList[0].name
        let fileType = fileName.substring(fileName.lastIndexOf(".") + 1, fileName.length)
        fileName = fileName.substring(0, fileName.lastIndexOf("."))
        if (fileType != "doc" && fileType != "docx") {
          this.$message.warning("请上传word文档！")
          return
        }
        // 限制上传文件数量
        if (fileList.length > 0) {
          this.disabled = true
        }
        if (info.file.status === 'done') {
          if (info.file.response.success) {
            fileList = fileList.map((file) => {
              if (file.response) {
                let reUrl = file.response.message;
                file.url = getFileAccessHttpUrl(reUrl, this.urlDownload, "http");
              }
              return file;
            });
          }
          //this.$message.success(`${info.file.name} 上传成功!`);
        } else if (info.file.status === 'error') {
          this.$message.error(`${info.file.name} 上传失败.`);
        } else if (info.file.status === 'removed') {
          this.handleDelete(info.file)
        }
        this.fileList = fileList
        if (info.file.status === 'done' || info.file.status === 'removed') {
          //returnUrl为true时仅返回文件路径
          if (this.returnUrl) {
            this.handlePathChange()
          } else {
            //returnUrl为false时返回文件名称、文件路径及文件大小
            fileList = fileList.filter((file) => {
              if (file.response) {
                return file.response.success === true;
              }
              return false;
            }).map((file) => {
              var fileJson = {
                fileName: file.name,
                filePath: file.response.message,
                fileSize: file.size
              };
              this.newFileList.push(fileJson);
              this.$emit('change', this.newFileList);
            });
          }
        }
        fileList = fileList.filter((file) => {
          var parm={
            filePath:file.response.message
          }
          getAction(this.url.poiHeader,parm).then((res) => {
            if (res.success==1){
              this.$emit('changeUrl', fileName,res.sxTime,res.audit,res.dzDepartment,res.updateTime,res.categoryName,res.docNo,res.msg,res.success)
              this.msg1()
            }else {
              this.$emit('changeUrl', fileName,res.sxTime,res.audit,res.dzDepartment,res.updateTime,res.categoryName,res.docNo,res.msg,res.success)
          }
          })
        })
      },
      handleDelete(file) {
        //如有需要新增 删除逻辑
        console.log(file)
      },
    },
    model: {
      prop: 'value',
      event: 'change'
    }
  }
</script>

<style scoped>

</style>